CN203895470U - Solar energy cell front side electrode structure - Google Patents
Solar energy cell front side electrode structure Download PDFInfo
- Publication number
- CN203895470U CN203895470U CN201420200553.7U CN201420200553U CN203895470U CN 203895470 U CN203895470 U CN 203895470U CN 201420200553 U CN201420200553 U CN 201420200553U CN 203895470 U CN203895470 U CN 203895470U
- Authority
- CN
- China
- Prior art keywords
- grid line
- electrode
- thick
- conductive unit
- solar energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a solar energy cell front side electrode structure, comprising current lead-out electrodes and current collector electrodes. The current collector electrodes are line-shaped and comprise thick grid wires and fine grid wires; the thick grid wires and the fine grid wires form conductive units with the current lead-out electrodes as centers. A plurality of lead-out units are arranged and are uniformly assigned on solar energy cells. The thick grid wires form a hexagon or a quadrangle; the fine grid wires are connecting lines between two ends of a thick grid wire graph, and between a midpoint of a thick grid wire and a center of a conductive unit and gradually change from the center of the conductive unit to the outside. The solar energy cell front side electrode structure can effectively raise a solar energy cell light utilization and electron collection rate and module power, and effectively reduce consumption of precious metallic silver slurry and solar energy cell manufacture cost.
Description
Technical field
The utility model relates to a kind of front electrode of solar battery structure.
Background technology
Main grid line radical on cell piece is for battery power output size important, and existing radical is generally two or three, can increase sunlight receiving area, but power output diminishes in the time of two; In the time of three, power output becomes large, but illuminating area reduces, and all cuts both ways; But the increase along with factors such as solar battery sheet volumes, three main grid lines can not meet the demand of power output, moreover, the grid line using on solar battery sheet is all to adopt silver-colored pulp material, this material occupies very large benefit cost ratio in the production process of whole cell piece, and arranging of grid line also affect the light-receiving area of cell piece, and traditional grid line series resistance of arranging is large, power loss is large, and power output is little.
Grid line still arranges with main grid line is vertical, causes electric current collection effect not good enough, and the utility model solves module dissipation greatly and collection problem simultaneously.
Utility model content
The utility model is a kind of front electrode of solar battery structure, and the purpose of this utility model is to solve the loss of front electrode component power greatly and grid line collection problem.
The utility model is a kind of front electrode of solar battery structure, comprise electric current leadout electrode and current collection electrode, described current collection electrode is linear, comprises thick grid line and thin grid line, and thick grid line, thin grid line form conductive unit centered by electric current leadout electrode; Described lead-out unit has several, evenly arrange with on solar battery sheet, it is characterized in that: described thick grid line forms hexagon or quadrangle, described thin grid line is the line at the two ends of described thick grid line figure and the mid point of described thick grid line and described conductive unit center, and described thin grid line is outwards gradual change from the center of described conductive unit.
In an embodiment therein, the number of described lead-out unit is 25,36 or 49.This main grid columns according to solar cell of the number of lead-out unit calculates, and main grid columns of the present utility model is more than or equal to 5 row, and in every row, the number of conductive unit is determined according to the number of test probe.
In an embodiment therein, described electric current leadout electrode is a kind of in rectangle, circle, polygon or irregular figure.
In an embodiment therein, described thin grid line confluxes to described conductive unit center, from the edge of described conductive unit to described conductive unit the width of careful grid line be 60-200um.
In an embodiment therein, the width of described thick grid line is the twice of described thin grid line width.
A kind of front electrode is made solar battery sheet.
In an embodiment therein, the electric current leadout electrode on described cell piece front electrode is directly connected with welding when component package, and electric current is derived, and can make solar module.
The columns of conductive unit of the present utility model is more than or equal to 5 row, is conducive to the power output of assembly, and the utility model adopts the design of conductive unit to compare the consumption of the slurry that has reduced electrode with traditional battery, has reduced the shading of solar cell.
Simultaneously according to each point on cell piece, arrive electric current leadout electrode shortest path principle and carry out design current passive electrode layout, and according to current collection electrode according to the electric current of its carrying, design its width.According to electric current, derive the factor design electric current leadout electrodes such as ability and shading rate.During component package, welding is directly connected with electric current leadout electrode, and electric current is derived, therefore when component package, consistent with conventional weld assembly flow process, does not increase any cost.
Accompanying drawing explanation
Fig. 1 is the electrode structural chart of the solar cell of comparative example;
Fig. 2 is the electrode structure at right side figure of the solar cell of embodiment 1;
Fig. 3 is the electrode structure at right side figure of the solar cell of implementation column 2.
In figure: main grid line 01, thin grid line 02, thick grid line 1, thin grid line 2, electric current leadout electrode 3.
Embodiment
Comparative example
As shown in Figure 1, the front gate line structure of each solar battery sheet comprises many thin grid lines 02 spaced apart and many main grid lines 01 spaced apart, and every main grid line 01 is all electrically connected to many thin grid lines 02, wherein a plurality of solar battery sheets are arranged along the bearing of trend of main grid line 01, and between the most close the other side's of adjacent solar battery sheet thin grid line 02, be spaced apart 1.7mm-2mm, the radical of main grid line 01 is three.
This comparative example is the front gate line design of traditional solar cell.
Embodiment 1
The utility model is a kind of front electrode of solar battery structure, comprise electric current leadout electrode 3 and current collection electrode, described current collection electrode is linear, comprises thick grid line 1 and thin grid line 2, and thick grid line 1, thin grid line 2 form conductive unit centered by electric current leadout electrode; Lead-out unit has several, evenly arrange with on solar battery sheet, thick grid line 1 forms hexagon or quadrangle, the two ends that thin grid line 2 is thick grid line 1 figure and the thick mid point of grid line 1 and the line at conductive unit center, and thin grid line 2 is outwards gradual change from the center of conductive unit.
The number of lead-out unit is 25,36 or 49.This main grid columns according to solar cell of the number of lead-out unit calculates, and main grid columns of the present utility model is more than or equal to 5 row, and in every row, the number of conductive unit is determined according to the number of test probe.
Electric current leadout electrode is a kind of in rectangle, circle, polygon or irregular figure.
Thin grid line 2 confluxes to conductive unit center, from the edge of conductive unit to conductive unit the width of careful grid line 2 be 60-200um.
The width of thick grid line 1 is the twice of thin grid line 2 width.
As shown in Figure 2, the utility model is a kind of front electrode of solar battery structure, comprises electric current leadout electrode 3 and current collection electrode, and described current collection electrode is linear, comprise thick grid line 1 and thin grid line 2, thick grid line 1, thin grid line 2 form conductive unit centered by electric current leadout electrode 3; Lead-out unit has several, evenly arrange with on solar battery sheet, thick grid line 1 forms hexagon, the two ends that thin grid line 2 is thick grid line 1 figure and the thick mid point of grid line 1 and the line at conductive unit center, in each conductive unit, be 12, and thin grid line 2 is outwards gradual change from the center of conductive unit.From the edge of conductive unit to conductive unit, the width of careful grid line 2 is 60-200um.The width of thick grid line 1 is 400um.Lead-out unit is rectangle, is of a size of 2*3mm.Lead-out unit is arranged by 6 row, 6 of every row, lead-out unit add up to 36.
Implementation column 2
As shown in Figure 3, the utility model is a kind of front electrode of solar battery structure, comprises electric current leadout electrode 3 and current collection electrode, and described current collection electrode is linear, comprise thick grid line 1 and thin grid line 2, thick grid line 1, thin grid line 2 form conductive unit centered by electric current leadout electrode 3; Lead-out unit has several, evenly arrange with on solar battery sheet, thick grid line 1 forms quadrangle, the two ends that thin grid line 2 is thick grid line 1 figure and the thick mid point of grid line 1 and the line at conductive unit center, thin grid line 2 is 8, and thin grid line 2 is outwards gradual change from the center of conductive unit.From the edge of conductive unit to conductive unit, the width of careful grid line 2 is 60-150um.The width of thick grid line 1 is 300um.Lead-out unit is circular, and diameter is 3mm.Lead-out unit is arranged by 7 row, 7 of every row, lead-out unit add up to 49.
The columns of conductive unit of the present utility model is more than or equal to 5 row, is conducive to the power output of assembly, and the utility model adopts the design of conductive unit to compare the consumption of the slurry that has reduced electrode with traditional battery, has reduced the shading of solar cell.
Simultaneously according to each point on cell piece, arrive electric current leadout electrode shortest path principle and carry out design current passive electrode layout, and according to current collection electrode according to the electric current of its carrying, design its width.According to electric current, derive the factor design electric current leadout electrodes such as ability and shading rate.During component package, welding is directly connected with electric current leadout electrode, and electric current is derived, therefore when component package, consistent with conventional weld assembly flow process, does not increase any cost.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (5)
1. a front electrode of solar battery structure, comprises electric current leadout electrode and current collection electrode, and described current collection electrode is linear, comprises thick grid line and thin grid line, and thick grid line, thin grid line form conductive unit centered by electric current leadout electrode; Described lead-out unit has several, evenly arrange with on solar battery sheet, it is characterized in that: described thick grid line forms hexagon or quadrangle, described thin grid line is the line at the two ends of described thick grid line figure and the mid point of described thick grid line and described conductive unit center, and described thin grid line is outwards gradual change from the center of described conductive unit.
2. a kind of front electrode of solar battery structure according to claim 1, is characterized in that: the number of described lead-out unit is 25,36 or 49.
3. a kind of front electrode of solar battery structure according to claim 1, is characterized in that: a kind of in circular, polygon or irregular figure of described electric current leadout electrode.
4. a kind of front electrode of solar battery structure according to claim 1, is characterized in that: described thin grid line confluxes to described conductive unit center, from the edge of described conductive unit to described conductive unit the width of careful grid line be 60-200um.
5. a kind of front electrode of solar battery structure according to claim 1, is characterized in that: the width of described thick grid line is the described thin grid line twice of thick width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420200553.7U CN203895470U (en) | 2014-04-23 | 2014-04-23 | Solar energy cell front side electrode structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420200553.7U CN203895470U (en) | 2014-04-23 | 2014-04-23 | Solar energy cell front side electrode structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203895470U true CN203895470U (en) | 2014-10-22 |
Family
ID=51721831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420200553.7U Expired - Fee Related CN203895470U (en) | 2014-04-23 | 2014-04-23 | Solar energy cell front side electrode structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203895470U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT517404A1 (en) * | 2015-02-13 | 2017-01-15 | Guger Forschungs Gmbh | Solar cell with metallic carrier dissipation structure |
| CN107146822A (en) * | 2017-06-27 | 2017-09-08 | 英利能源（中国）有限公司 | The solar cell that a kind of disconnected grid of nothing can be connected arbitrarily |
| CN107958941A (en) * | 2016-10-17 | 2018-04-24 | 阿特斯阳光电力集团有限公司 | Solar battery sheet and solar cell module |
| CN109545870A (en) * | 2018-11-20 | 2019-03-29 | 浙江晶盛机电股份有限公司 | A kind of regular hexagon MWT solar battery sheet |
-
2014
- 2014-04-23 CN CN201420200553.7U patent/CN203895470U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT517404A1 (en) * | 2015-02-13 | 2017-01-15 | Guger Forschungs Gmbh | Solar cell with metallic carrier dissipation structure |
| AT517404B1 (en) * | 2015-02-13 | 2017-11-15 | Guger Forschungs Gmbh | Solar cell with metallic carrier dissipation structure |
| US20180033900A1 (en) * | 2015-02-13 | 2018-02-01 | Guger Forschungs Gmbh | Solar cell with a metal charge carrier discharge structure |
| CN107958941A (en) * | 2016-10-17 | 2018-04-24 | 阿特斯阳光电力集团有限公司 | Solar battery sheet and solar cell module |
| CN107146822A (en) * | 2017-06-27 | 2017-09-08 | 英利能源（中国）有限公司 | The solar cell that a kind of disconnected grid of nothing can be connected arbitrarily |
| CN107146822B (en) * | 2017-06-27 | 2023-08-15 | 英利能源发展有限公司 | Solar cell capable of being connected at will without broken grid |
| CN109545870A (en) * | 2018-11-20 | 2019-03-29 | 浙江晶盛机电股份有限公司 | A kind of regular hexagon MWT solar battery sheet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102610668A (en) | Improved electrode structure of solar cell | |
| CN203895470U (en) | Solar energy cell front side electrode structure | |
| CN201868440U (en) | Front side electrode structure of solar battery | |
| CN102931245A (en) | Solar cell front face grid line and solar cell sheet printed with same | |
| CN104362190A (en) | Interdigital electrode for solar cell | |
| CN102969369A (en) | Solar battery frontage electrode structure as well as battery piece and component | |
| CN201796897U (en) | Front contact structure of crystalline silicon solar cell | |
| CN202651170U (en) | Back-contact solar cell sheet connecting structure | |
| CN204809230U (en) | MWT silicon solar cell front electrode | |
| CN102544128B (en) | Solar cell | |
| CN202888192U (en) | Solar battery assembly | |
| CN204243052U (en) | A kind of solar cell interdigited electrode structure | |
| CN203179903U (en) | Solar energy cell front side electrode structure, cell sheet and assembly | |
| CN203250753U (en) | Solar battery sheet front-surface positive electrode | |
| CN203055923U (en) | Solar cell front face grid line and solar cell sheet printed with same | |
| CN203941912U (en) | A kind of photovoltaic cell and photovoltaic module | |
| CN202871805U (en) | Front electrode structure of a crystal silicon solar battery | |
| CN203456476U (en) | Crystalline silica solar cell front electrode | |
| CN203134814U (en) | A photovoltaic battery piece having hollowed-out main grid line electrodes and a photovoltaic assembly | |
| CN205621744U (en) | Solar cell assembly | |
| CN202616241U (en) | Positive electrode structure of crystalline silicon solar battery | |
| CN204966515U (en) | Battery piece unit | |
| CN203288602U (en) | Current collecting device of novel solar cell slice | |
| CN209216989U (en) | A kind of solar battery positive electrode | |
| CN203250750U (en) | Solar cell with sectional main grid lines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20150423 |
|
| EXPY | Termination of patent right or utility model |